80976280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 231413760

約数和(自身を除く): 150437480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 385, 427, 431, 440, 488, 610, 616, 671, 770, 854, 862, 1220, 1342, 1540, 1708, 1724, 2135, 2155, 2440, 2684, 3017, 3080, 3355, 3416, 3448, 4270, 4310, 4697, 4741, 5368, 6034, 6710, 8540, 8620, 9394, 9482, 12068, 13420, 15085, 17080, 17240, 18788, 18964, 23485, 23705, 24136, 26291, 26840, 30170, 33187, 37576, 37928, 46970, 47410, 52582, 60340, 66374, 93940, 94820, 105164, 120680, 131455, 132748, 165935, 184037, 187880, 189640, 210328, 262910, 265496, 289201, 331870, 368074, 525820, 578402, 663740, 736148, 920185, 1051640, 1156804, 1327480, 1446005, 1472296, 1840370, 2024407, 2313608, 2892010, 3680740, 4048814, 5784020, 7361480, 8097628, 10122035, 11568040, 16195256, 20244070, 40488140, 80976280]

約数ペア:

[(1, 80976280), (2, 40488140), (4, 20244070), (5, 16195256), (7, 11568040), (8, 10122035), (10, 8097628), (11, 7361480), (14, 5784020), (20, 4048814), (22, 3680740), (28, 2892010), (35, 2313608), (40, 2024407), (44, 1840370), (55, 1472296), (56, 1446005), (61, 1327480), (70, 1156804), (77, 1051640), (88, 920185), (110, 736148), (122, 663740), (140, 578402), (154, 525820), (220, 368074), (244, 331870), (280, 289201), (305, 265496), (308, 262910), (385, 210328), (427, 189640), (431, 187880), (440, 184037), (488, 165935), (610, 132748), (616, 131455), (671, 120680), (770, 105164), (854, 94820), (862, 93940), (1220, 66374), (1342, 60340), (1540, 52582), (1708, 47410), (1724, 46970), (2135, 37928), (2155, 37576), (2440, 33187), (2684, 30170), (3017, 26840), (3080, 26291), (3355, 24136), (3416, 23705), (3448, 23485), (4270, 18964), (4310, 18788), (4697, 17240), (4741, 17080), (5368, 15085), (6034, 13420), (6710, 12068), (8540, 9482), (8620, 9394)]